Date: Fri, 13 Mar 2020 11:13:00 +0000 From: bugzilla-noreply@freebsd.org To: usb@FreeBSD.org Subject: [Bug 244356] Writing to a USB 3.0 stick is very slow Message-ID: <bug-244356-19105-a1VShed7a9@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-244356-19105@https.bugs.freebsd.org/bugzilla/> References: <bug-244356-19105@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D244356 --- Comment #23 from Sebastien Boisvert <seb@boisvert.info> --- Hello, I acquired new USB flash drives to do additional tests. I used the same USB 3.1 Gen1 port on my computer case for all tested USB drives. I created one GPT partition and formatted a UFS file system on it. The benchmark is the following command that copies /usr (size: 848M): time rsync -av /usr /mnt/USB_FLASH_DRIVE/ ------------------------------------------------------------------------ Product: Kingston DataTraveler SE9 G2 USB Flash Drive=20 Part Number: DTSE9G2/32GB Interface: USB 3.0 time: 19.606u 19.922s 1:29:45.25 0.7% 433+221k 5552+228702io 0pf+0w rsync: sent 2,069,862,956 bytes received 780,403 bytes 384,484.89 bytes/sec total size is 2,066,495,106 speedup is 1.00 ------------------------------------------------------------------------ Product: SanDisk Ultra Fit USB 3.1 Flash Drive=20 Part Number: SDCZ430-032G-G46 Interface: USB 3.1 time: 20.155u 22.475s 19:16.30 3.6% 431+220k 19641+353403io 0pf+0w rsync: sent 2,069,862,956 bytes received 780,443 bytes 1,790,439.60 bytes/sec total size is 2,066,495,106 speedup is 1.00 ------------------------------------------------------------------------ Product: SanDisk Cruzer Pop 32GB USB 2.0 Flash Drive, Tribal Part Number: SDCZ53B-032G-B35 Interface: USB 2.0 time: 19.108u 20.545s 1:31:48.85 0.7% 438+224k 14194+228758io 0pf+0w rsync: sent 2,069,862,956 bytes received 780,431 bytes 375,831.45 bytes/sec total size is 2,066,495,106 speedup is 1.00 --=20 You are receiving this mail because: You are the assignee for the bug.=
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